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Old September 30, 2011   #29
Heritage
Tomatovillian™
 
Join Date: Nov 2010
Location: San Diego
Posts: 1,255
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@biscgolf - thanks for the griffins link...

Jack, the water powered injector pumps are extremely accurate and have nothing in common with a MG hose-end sprayer. I use both the Dosatron and the Dosmatic injectors and am happy with both.

Here is a link at Dosmatic that explains how to select an injector:
http://www.dosmatic.com/inj.php?lang=en

and a link at Dosatron explaining how they work:
http://www.dosatronusa.com/how-it-works.aspx

If you have a fertilizing method that works for you I would stick with it - you can always add an injector later if you find you need one. Good injectors are expensive and the soluble fertilizer for injecting is also expensive. I usually use a pre-plant slow-release fertilizer and only supplement with the injector system. Supplying all of the fertilizer with the injector system alone was getting too expensive. Of course, if you are a large enough grower you could get a lot better deal on fertilizer than I do. I'm a very small grower and buy my soluble fertilizer in 50 lb. bags and not by the truckload.
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